Got this regulation update from the MotoGP website :-
(might cause a major upset some this year
)
It was confirmed last December that the maximum engine capacity would increase to 1000cc for the start of the 2012 season with a maximum number of four cylinders and a maximum bore width of 81mm, and on Wednesday the GP Commission announced further specifications.
These will include a minimum weight of 153kg for bikes over 800cc and 150kg for machines up to 800cc, a maximum number of six engines available for use by each rider, and a fuel tank capacity of 21 litres.
There was also an announcement about the exception for private teams, who will have different limitations. These will be that each rider will be able to use 12 engines per season, and with a fuel tank capacity of 24 litres. This new regulations will be further defined by the end of May, with these teams to be referred to as Claiming Rule Teams (CRT).
In addition to these specifications, the Commission unanimously decided to introduce amendments with regards to tyre pressure for 2010. For the forthcoming season tyre pressure sensors will not be allowed, with tyre temperature sensors already prohibited.
From
GP Commission announce MotoGP Technical Regulations | The Official MotoGP Website